Home / 71,285,530.28-98,357,171.33-40,345,699.52

Finding the Fourth Proportional to 71,285,530.28, 98,357,171.33 and 40,345,699.52

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Solution

The fourth proportional to 71,285,530.28, 98,357,171.33 and 40,345,699.52 is: 55,667,522.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,285,530.28 : 98,357,171.33 = 40,345,699.52 : x
  2. Step 2: Convert to fraction form
    71,285,530.28/98,357,171.33 = 40,345,699.52/x
  3. Step 3: Cross multiply
    71,285,530.28x = 98,357,171.33 × 40,345,699.52
  4. Step 4: Simplify right side
    71,285,530.28x = 3,968,288,880,464,096
  5. Step 5: Solve for x
    x = 3,968,288,880,464,096/71,285,530.28
  6. Step 6: Final answer
    x = 55,667,522.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.